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Finding the Fourth Proportional to 693,130.30, 956,120.56 and 417,296.14

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Solution

The fourth proportional to 693,130.30, 956,120.56 and 417,296.14 is: 575,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,130.30 : 956,120.56 = 417,296.14 : x
  2. Step 2: Convert to fraction form
    693,130.30/956,120.56 = 417,296.14/x
  3. Step 3: Cross multiply
    693,130.30x = 956,120.56 × 417,296.14
  4. Step 4: Simplify right side
    693,130.30x = 398,985,415,629.10
  5. Step 5: Solve for x
    x = 398,985,415,629.10/693,130.30
  6. Step 6: Final answer
    x = 575,628.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.